Donald G. Corderman

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Hagerstown, MD, US

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus for conditioning granular material
- Patent number 4,739,937
- Issue date Apr 26, 1988
- Pangborn Corporation
- James H. Carpenter
- B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
Information Patent Grant
Vane retention apparatus for abrasive blasting machine
- Patent number 4,509,300
- Issue date Apr 9, 1985
- Kennecott Corporation
- James H. Carpenter
- B24 - GRINDING POLISHING
Information Patent Grant
Vane retention apparatus for abrasive blasting mechanism
- Patent number 4,471,583
- Issue date Sep 18, 1984
- The Kennecott Corporation
- James H. Carpenter
- B24 - GRINDING POLISHING
Information Patent Grant
Vane retention apparatus for abrasive blasting machine
- Patent number 4,402,163
- Issue date Sep 6, 1983
- Kennecott Corporation
- James H. Carpenter
- B24 - GRINDING POLISHING
Information Patent Grant
Apparatus and method for obtaining a shortened blast pattern with a...
- Patent number 4,164,104
- Issue date Aug 14, 1979
- The Carborundum Company
- James H. Carpenter
- B24 - GRINDING POLISHING